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SS416 | X12CrS13 | 416
Key Features
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Excellent Machinability
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Moderate Corrosion Resistance
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Good Mechanical Strength
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Low Galling & Seizing Tendency
Size Range
Round Bar
80 mm To 500 mm Diameter
Flat Bar
80mm*80mm To 510mm*360mm
About the Steel
SS416 stainless steel is a martensitic, free-machining stainless steel designed for excellent machinability and moderate strength. The addition of sulfur improves its cutting performance but slightly lowers its corrosion resistance compared to other martensitic stainless steels like SS410. It responds well to heat treatment, achieving good hardness and wear resistance for mechanical parts. However, its toughness and corrosion resistance are limited, making it best suited for non-critical components in mildly corrosive environments where fast and economical machining is important.
Applications
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Valve Components
Suitable for stems, spindles, and seats exposed to mild environments.
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Shafts & Axles
Ideal for components requiring good machinability and moderate strength.
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Gears & Bushings
Applied in low-impact mechanical parts requiring wear resistance.
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Fasteners & Screws
Commonly used in bolts, studs, and set screws where quick machining is required.
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Machined Fittings & Connectors
Preferred for intricate parts produced by high-speed machining processes.
Manufacturing
Process flow for manufacturing 416 steel
Melting
Ingots melted in EIF, impurities fully killed and followed LRF and VD process at Client's request. Ingots annealed
Forging
Press or Hammer Forged with reduction ratio of 3.5 to 4.5 times
Heat Treatment
Full annealing cycle post forging or any special QT process as per Client's TDC
Quality Test
Ultrasonic, Hardness, Mechanical, Microstructure testing of the metal at a NABL approved lab
Proof Machining
Proof machining of Forged Rounds and Flats as per Client's requirements
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